<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <table id="table">
  <tr>
    <td>单元格1-1</td>
    <td>单元格1-2</td>
    <td>单元格1-3</td>
  </tr>
  <tr>
    <td>单元格2-1</td>
    <td>单元格2-2</td>
    <td>单元格2-3</td>
  </tr>
  <tr>
    <td>单元格3-1</td>
    <td>单元格3-2</td>
    <td>单元格3-3</td>
  </tr>
</table>



<script>
    const table = document.querySelector('#table')
    console.log(table);
    table.addEventListener('click', function (e) {
        // console.log(e.targe); 打印单个单元格
        if(e.target.tagName === 'TD'){
          console.log(e.target.innerText)
        }
        
    });
</script>
</body>
</html>